mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-06-28 02:00:37 +00:00
553 lines
16 KiB
Rust
553 lines
16 KiB
Rust
use crate::{
|
|
aggregates::comment_aggregates::CommentAggregates,
|
|
functions::hot_rank,
|
|
limit_and_offset,
|
|
schema::{
|
|
comment,
|
|
comment_aggregates,
|
|
comment_like,
|
|
comment_saved,
|
|
community,
|
|
community_follower,
|
|
community_user_ban,
|
|
post,
|
|
user_,
|
|
user_alias_1,
|
|
user_mention,
|
|
},
|
|
source::{
|
|
comment::{Comment, CommentSaved},
|
|
community::{Community, CommunityFollower, CommunitySafe, CommunityUserBan},
|
|
post::Post,
|
|
user::{UserAlias1, UserSafe, UserSafeAlias1, User_},
|
|
user_mention::UserMention,
|
|
},
|
|
views::ViewToVec,
|
|
MaybeOptional,
|
|
SortType,
|
|
ToSafe,
|
|
};
|
|
use diesel::{result::Error, *};
|
|
use serde::Serialize;
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Clone)]
|
|
pub struct UserMentionView {
|
|
pub user_mention: UserMention,
|
|
pub comment: Comment,
|
|
pub creator: UserSafe,
|
|
pub post: Post,
|
|
pub community: CommunitySafe,
|
|
pub recipient: UserSafeAlias1,
|
|
pub counts: CommentAggregates,
|
|
pub creator_banned_from_community: bool, // Left Join to CommunityUserBan
|
|
pub subscribed: bool, // Left join to CommunityFollower
|
|
pub saved: bool, // Left join to CommentSaved
|
|
pub my_vote: Option<i16>, // Left join to CommentLike
|
|
}
|
|
|
|
type UserMentionViewTuple = (
|
|
UserMention,
|
|
Comment,
|
|
UserSafe,
|
|
Post,
|
|
CommunitySafe,
|
|
UserSafeAlias1,
|
|
CommentAggregates,
|
|
Option<CommunityUserBan>,
|
|
Option<CommunityFollower>,
|
|
Option<CommentSaved>,
|
|
Option<i16>,
|
|
);
|
|
|
|
impl UserMentionView {
|
|
pub fn read(
|
|
conn: &PgConnection,
|
|
user_mention_id: i32,
|
|
my_user_id: Option<i32>,
|
|
) -> Result<Self, Error> {
|
|
// The left join below will return None in this case
|
|
let user_id_join = my_user_id.unwrap_or(-1);
|
|
|
|
let (
|
|
user_mention,
|
|
comment,
|
|
creator,
|
|
post,
|
|
community,
|
|
recipient,
|
|
counts,
|
|
creator_banned_from_community,
|
|
subscribed,
|
|
saved,
|
|
my_vote,
|
|
) = user_mention::table
|
|
.find(user_mention_id)
|
|
.inner_join(comment::table)
|
|
.inner_join(user_::table.on(comment::creator_id.eq(user_::id)))
|
|
.inner_join(post::table.on(comment::post_id.eq(post::id)))
|
|
.inner_join(community::table.on(post::community_id.eq(community::id)))
|
|
.inner_join(user_alias_1::table)
|
|
.inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
|
|
.left_join(
|
|
community_user_ban::table.on(
|
|
community::id
|
|
.eq(community_user_ban::community_id)
|
|
.and(community_user_ban::user_id.eq(comment::creator_id)),
|
|
),
|
|
)
|
|
.left_join(
|
|
community_follower::table.on(
|
|
post::community_id
|
|
.eq(community_follower::community_id)
|
|
.and(community_follower::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.left_join(
|
|
comment_saved::table.on(
|
|
comment::id
|
|
.eq(comment_saved::comment_id)
|
|
.and(comment_saved::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.left_join(
|
|
comment_like::table.on(
|
|
comment::id
|
|
.eq(comment_like::comment_id)
|
|
.and(comment_like::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.select((
|
|
user_mention::all_columns,
|
|
comment::all_columns,
|
|
User_::safe_columns_tuple(),
|
|
post::all_columns,
|
|
Community::safe_columns_tuple(),
|
|
UserAlias1::safe_columns_tuple(),
|
|
comment_aggregates::all_columns,
|
|
community_user_ban::all_columns.nullable(),
|
|
community_follower::all_columns.nullable(),
|
|
comment_saved::all_columns.nullable(),
|
|
comment_like::score.nullable(),
|
|
))
|
|
.first::<UserMentionViewTuple>(conn)?;
|
|
|
|
Ok(UserMentionView {
|
|
user_mention,
|
|
comment,
|
|
creator,
|
|
post,
|
|
community,
|
|
recipient,
|
|
counts,
|
|
creator_banned_from_community: creator_banned_from_community.is_some(),
|
|
subscribed: subscribed.is_some(),
|
|
saved: saved.is_some(),
|
|
my_vote,
|
|
})
|
|
}
|
|
}
|
|
|
|
mod join_types {
|
|
use crate::schema::{
|
|
comment,
|
|
comment_aggregates,
|
|
comment_like,
|
|
comment_saved,
|
|
community,
|
|
community_follower,
|
|
community_user_ban,
|
|
post,
|
|
user_,
|
|
user_alias_1,
|
|
user_mention,
|
|
};
|
|
use diesel::{
|
|
pg::Pg,
|
|
query_builder::BoxedSelectStatement,
|
|
query_source::joins::{Inner, Join, JoinOn, LeftOuter},
|
|
sql_types::*,
|
|
};
|
|
|
|
// /// TODO awful, but necessary because of the boxed join
|
|
pub(super) type BoxedUserMentionJoin<'a> = BoxedSelectStatement<
|
|
'a,
|
|
(
|
|
(Integer, Integer, Integer, Bool, Timestamp),
|
|
(
|
|
Integer,
|
|
Integer,
|
|
Integer,
|
|
Nullable<Integer>,
|
|
Text,
|
|
Bool,
|
|
Bool,
|
|
Timestamp,
|
|
Nullable<Timestamp>,
|
|
Bool,
|
|
Text,
|
|
Bool,
|
|
),
|
|
(
|
|
Integer,
|
|
Text,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Bool,
|
|
Bool,
|
|
Timestamp,
|
|
Nullable<Timestamp>,
|
|
Nullable<Text>,
|
|
Text,
|
|
Nullable<Text>,
|
|
Bool,
|
|
Nullable<Text>,
|
|
Bool,
|
|
),
|
|
(
|
|
Integer,
|
|
Text,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Integer,
|
|
Integer,
|
|
Bool,
|
|
Bool,
|
|
Timestamp,
|
|
Nullable<Timestamp>,
|
|
Bool,
|
|
Bool,
|
|
Bool,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Text,
|
|
Bool,
|
|
),
|
|
(
|
|
Integer,
|
|
Text,
|
|
Text,
|
|
Nullable<Text>,
|
|
Integer,
|
|
Integer,
|
|
Bool,
|
|
Timestamp,
|
|
Nullable<Timestamp>,
|
|
Bool,
|
|
Bool,
|
|
Text,
|
|
Bool,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
),
|
|
(
|
|
Integer,
|
|
Text,
|
|
Nullable<Text>,
|
|
Nullable<Text>,
|
|
Bool,
|
|
Bool,
|
|
Timestamp,
|
|
Nullable<Timestamp>,
|
|
Nullable<Text>,
|
|
Text,
|
|
Nullable<Text>,
|
|
Bool,
|
|
Nullable<Text>,
|
|
Bool,
|
|
),
|
|
(Integer, Integer, BigInt, BigInt, BigInt),
|
|
Nullable<(Integer, Integer, Integer, Timestamp)>,
|
|
Nullable<(Integer, Integer, Integer, Timestamp, Nullable<Bool>)>,
|
|
Nullable<(Integer, Integer, Integer, Timestamp)>,
|
|
Nullable<SmallInt>,
|
|
),
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<
|
|
JoinOn<
|
|
Join<user_mention::table, comment::table, Inner>,
|
|
diesel::expression::operators::Eq<
|
|
diesel::expression::nullable::Nullable<
|
|
user_mention::columns::comment_id,
|
|
>,
|
|
diesel::expression::nullable::Nullable<
|
|
comment::columns::id,
|
|
>,
|
|
>,
|
|
>,
|
|
user_::table,
|
|
Inner,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
comment::columns::creator_id,
|
|
user_::columns::id,
|
|
>,
|
|
>,
|
|
post::table,
|
|
Inner,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
comment::columns::post_id,
|
|
post::columns::id,
|
|
>,
|
|
>,
|
|
community::table,
|
|
Inner,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
post::columns::community_id,
|
|
community::columns::id,
|
|
>,
|
|
>,
|
|
user_alias_1::table,
|
|
Inner,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
diesel::expression::nullable::Nullable<
|
|
user_mention::columns::recipient_id,
|
|
>,
|
|
diesel::expression::nullable::Nullable<user_alias_1::columns::id>,
|
|
>,
|
|
>,
|
|
comment_aggregates::table,
|
|
Inner,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
comment::columns::id,
|
|
comment_aggregates::columns::comment_id,
|
|
>,
|
|
>,
|
|
community_user_ban::table,
|
|
LeftOuter,
|
|
>,
|
|
diesel::expression::operators::And<
|
|
diesel::expression::operators::Eq<
|
|
community::columns::id,
|
|
community_user_ban::columns::community_id,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
community_user_ban::columns::user_id,
|
|
comment::columns::creator_id,
|
|
>,
|
|
>,
|
|
>,
|
|
community_follower::table,
|
|
LeftOuter,
|
|
>,
|
|
diesel::expression::operators::And<
|
|
diesel::expression::operators::Eq<
|
|
post::columns::community_id,
|
|
community_follower::columns::community_id,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
community_follower::columns::user_id,
|
|
diesel::expression::bound::Bound<Integer, i32>,
|
|
>,
|
|
>,
|
|
>,
|
|
comment_saved::table,
|
|
LeftOuter,
|
|
>,
|
|
diesel::expression::operators::And<
|
|
diesel::expression::operators::Eq<
|
|
comment::columns::id,
|
|
comment_saved::columns::comment_id,
|
|
>,
|
|
diesel::expression::operators::Eq<
|
|
comment_saved::columns::user_id,
|
|
diesel::expression::bound::Bound<Integer, i32>,
|
|
>,
|
|
>,
|
|
>,
|
|
comment_like::table,
|
|
LeftOuter,
|
|
>,
|
|
diesel::expression::operators::And<
|
|
diesel::expression::operators::Eq<comment::columns::id, comment_like::columns::comment_id>,
|
|
diesel::expression::operators::Eq<
|
|
comment_like::columns::user_id,
|
|
diesel::expression::bound::Bound<Integer, i32>,
|
|
>,
|
|
>,
|
|
>,
|
|
Pg,
|
|
>;
|
|
}
|
|
|
|
pub struct UserMentionQueryBuilder<'a> {
|
|
conn: &'a PgConnection,
|
|
query: join_types::BoxedUserMentionJoin<'a>,
|
|
for_recipient_id: i32,
|
|
sort: &'a SortType,
|
|
unread_only: bool,
|
|
page: Option<i64>,
|
|
limit: Option<i64>,
|
|
}
|
|
|
|
impl<'a> UserMentionQueryBuilder<'a> {
|
|
pub fn create(conn: &'a PgConnection, my_user_id: Option<i32>, for_recipient_id: i32) -> Self {
|
|
// The left join below will return None in this case
|
|
let user_id_join = my_user_id.unwrap_or(-1);
|
|
|
|
let query = user_mention::table
|
|
.inner_join(comment::table)
|
|
.inner_join(user_::table.on(comment::creator_id.eq(user_::id)))
|
|
.inner_join(post::table.on(comment::post_id.eq(post::id)))
|
|
.inner_join(community::table.on(post::community_id.eq(community::id)))
|
|
.inner_join(user_alias_1::table)
|
|
.inner_join(comment_aggregates::table.on(comment::id.eq(comment_aggregates::comment_id)))
|
|
.left_join(
|
|
community_user_ban::table.on(
|
|
community::id
|
|
.eq(community_user_ban::community_id)
|
|
.and(community_user_ban::user_id.eq(comment::creator_id)),
|
|
),
|
|
)
|
|
.left_join(
|
|
community_follower::table.on(
|
|
post::community_id
|
|
.eq(community_follower::community_id)
|
|
.and(community_follower::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.left_join(
|
|
comment_saved::table.on(
|
|
comment::id
|
|
.eq(comment_saved::comment_id)
|
|
.and(comment_saved::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.left_join(
|
|
comment_like::table.on(
|
|
comment::id
|
|
.eq(comment_like::comment_id)
|
|
.and(comment_like::user_id.eq(user_id_join)),
|
|
),
|
|
)
|
|
.select((
|
|
user_mention::all_columns,
|
|
comment::all_columns,
|
|
User_::safe_columns_tuple(),
|
|
post::all_columns,
|
|
Community::safe_columns_tuple(),
|
|
UserAlias1::safe_columns_tuple(),
|
|
comment_aggregates::all_columns,
|
|
community_user_ban::all_columns.nullable(),
|
|
community_follower::all_columns.nullable(),
|
|
comment_saved::all_columns.nullable(),
|
|
comment_like::score.nullable(),
|
|
))
|
|
.into_boxed();
|
|
|
|
UserMentionQueryBuilder {
|
|
conn,
|
|
query,
|
|
for_recipient_id,
|
|
sort: &SortType::New,
|
|
unread_only: false,
|
|
page: None,
|
|
limit: None,
|
|
}
|
|
}
|
|
|
|
pub fn sort(mut self, sort: &'a SortType) -> Self {
|
|
self.sort = sort;
|
|
self
|
|
}
|
|
|
|
pub fn unread_only(mut self, unread_only: bool) -> Self {
|
|
self.unread_only = unread_only;
|
|
self
|
|
}
|
|
|
|
pub fn page<T: MaybeOptional<i64>>(mut self, page: T) -> Self {
|
|
self.page = page.get_optional();
|
|
self
|
|
}
|
|
|
|
pub fn limit<T: MaybeOptional<i64>>(mut self, limit: T) -> Self {
|
|
self.limit = limit.get_optional();
|
|
self
|
|
}
|
|
|
|
pub fn list(self) -> Result<Vec<UserMentionView>, Error> {
|
|
use diesel::dsl::*;
|
|
|
|
let mut query = self.query;
|
|
|
|
query = query.filter(user_mention::recipient_id.eq(self.for_recipient_id));
|
|
|
|
if self.unread_only {
|
|
query = query.filter(user_mention::read.eq(false));
|
|
}
|
|
|
|
query = match self.sort {
|
|
SortType::Hot | SortType::Active => query
|
|
.order_by(hot_rank(comment_aggregates::score, comment::published).desc())
|
|
.then_order_by(comment::published.desc()),
|
|
SortType::New => query.order_by(comment::published.desc()),
|
|
SortType::TopAll => query.order_by(comment_aggregates::score.desc()),
|
|
SortType::TopYear => query
|
|
.filter(comment::published.gt(now - 1.years()))
|
|
.order_by(comment_aggregates::score.desc()),
|
|
SortType::TopMonth => query
|
|
.filter(comment::published.gt(now - 1.months()))
|
|
.order_by(comment_aggregates::score.desc()),
|
|
SortType::TopWeek => query
|
|
.filter(comment::published.gt(now - 1.weeks()))
|
|
.order_by(comment_aggregates::score.desc()),
|
|
SortType::TopDay => query
|
|
.filter(comment::published.gt(now - 1.days()))
|
|
.order_by(comment_aggregates::score.desc()),
|
|
};
|
|
|
|
let (limit, offset) = limit_and_offset(self.page, self.limit);
|
|
|
|
let res = query
|
|
.limit(limit)
|
|
.offset(offset)
|
|
.load::<UserMentionViewTuple>(self.conn)?;
|
|
|
|
Ok(UserMentionView::to_vec(res))
|
|
}
|
|
}
|
|
|
|
impl ViewToVec for UserMentionView {
|
|
type DbTuple = UserMentionViewTuple;
|
|
fn to_vec(posts: Vec<Self::DbTuple>) -> Vec<Self> {
|
|
posts
|
|
.iter()
|
|
.map(|a| Self {
|
|
user_mention: a.0.to_owned(),
|
|
comment: a.1.to_owned(),
|
|
creator: a.2.to_owned(),
|
|
post: a.3.to_owned(),
|
|
community: a.4.to_owned(),
|
|
recipient: a.5.to_owned(),
|
|
counts: a.6.to_owned(),
|
|
creator_banned_from_community: a.7.is_some(),
|
|
subscribed: a.8.is_some(),
|
|
saved: a.9.is_some(),
|
|
my_vote: a.10,
|
|
})
|
|
.collect::<Vec<Self>>()
|
|
}
|
|
}
|